- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/26 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
Patent holdings for IPC class G01V 3/26
Total number of patents in this class: 1127
10-year publication summary
|
86
|
108
|
124
|
69
|
48
|
37
|
19
|
27
|
11
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
327 |
| Schlumberger Technology Corporation | 10780 |
85 |
| Schlumberger Canada Limited | 7332 |
78 |
| Schlumberger Technology B.v. | 5176 |
73 |
| Services Petroliers Schlumberger | 5803 |
73 |
| Baker Hughes Incorporated | 5274 |
63 |
| Schlumberger Holdings Limited | 2817 |
48 |
| Prad Research and Development Limited | 2693 |
43 |
| Saudi Arabian Oil Company | 13224 |
42 |
| Baker Hughes, a GE Company, LLC | 2110 |
27 |
| Scientific Drilling International, Inc. | 168 |
14 |
| Well Resolutions Technology | 38 |
14 |
| Baker Hughes Oilfield Operations, LLC | 2302 |
9 |
| Board of Regents, The University of Texas System | 5808 |
8 |
| CARBO Ceramics Inc. | 235 |
8 |
| William Marsh Rice University | 1010 |
7 |
| Baker Hughes Holdings LLC | 3007 |
7 |
| Fleet Space Technologies Pty Ltd | 36 |
7 |
| Bench Tree Group, LLC | 66 |
6 |
| ConocoPhillips Company | 1675 |
6 |
| Other owners | 182 |